Amphastar Pharmaceutical (amph 2 03/15/29)
13F holders, Q1 2025 (March 31)8holders +2
2new positions
0sold out
$2.69avg. 13F price*
At the end of Q1 2025, 8 institutions reported holding Amphastar Pharmaceutical (amph 2 03/15/29) in their 13F filings, up 2 from Q4 2024. 2 opened new positions and 0 sold out. The largest holders were Nomura Holdings Inc. ($1.4M), Bank of New York Mellon Corp ($267K) and Sei Investments Co. ($139K).
- Company
- Amphastar Pharmaceutical (amph 2 03/15/29)
- CUSIP
- 03209RAB9
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $24K |
| Exits | 0 | $0 |
All 13F filers, Q4 2024 → Q1 2025: 83,115 shares bought and 151,000 shares sold, net −67,885 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 8 holders
| Nomura Holdings Inc. | 0.01% | Add +58.9% | 48,880 | $1.4M |
| Bank of New York Mellon Corp | 0.00% | No change | 300,000 | $267K |
| Sei Investments Co. | 0.00% | Reduce -49.0% | 157,000 | $139K |
| Cetera Investment Advisers | 0.00% | Add +41.2% | 120,000 | $106K |
| Oppenheimer Asset Management Inc. | 0.00% | Add +2.5% | 83,000 | $74K |
| Stephens Inc. | 0.00% | Add +4.0% | 26,000 | $23K |
| B. Riley Wealth Advisors, Inc. | 0.00% | New | 16,000 | $14K |
| Comerica Bank | 0.00% | New | 11,000 | $10K |
"% of holder's portfolio" is AMPHASTAR PHARMACEUTICAL (AMPH 2 03/15/29)'s weight in each manager's 13F, not the share of Amphastar Pharmaceutical (amph 2 03/15/29) the manager owns.